Sigma 90mm f/2.8 DG DN Contemporary Lens

Images for illustrative purposes only.

The Sigma 90mm f/2.8 DG DN Contemporary Lens for Sony E is a short-telephoto prime with impressive optical performance. It is well-suited for portraiture and selective everyday
shooting and offers a fast f/2.8 aperture for controlling depth of field and working in less-than-ideal light.

This lens
includes an aspherical element and five special low dispersion elements to control a variety of aberrations and achieve
notable sharpness and clarity.

With its versatile mid-telephoto focal length, the lens is the longest I series lens yet, but remains remarkably compact
and light so that it is ideal for day-to-day use. It is fully-optimized for mirrorless systems with ultra-fast and
accurate AF performance, and it boasts outstanding optical capabilities. The rich, smooth bokeh makes for attractive
backgrounds, which is perfect for portraits, and the minimum focusing distance of 50cm allows photographers to get
closer to their subject.

The lens incorporates a manual aperture ring for enhanced tactility, and also featured is
a stepping motor for quick and quiet AF performance. A rounded nine-blade diaphragm lets you achieve pleasingly smooth
bokeh, and the lens's all metal body is weather-sealed to suit working in inclement conditions.


Key Features of the Sigma 90mm f/2.8 DG DN Contemporary Lens for Sony E

I-series lens emphasizes a sleek and stylish physical design that is built to the same operational standards of Sigma's Cine lenses, including a mechanical aperture ring, knurled metal components, and various switches and tactile controls for intuitive operation.
Short-telephoto 90mm lens is designed for full-frame Sony E-mount mirrorless cameras, however, can also be used with APS-C models where it provides a 135mm equivalent focal length.
Five Special Low Dispersion (SLD) elements markedly reduce chromatic aberrations and color fringing for improved clarity and color accuracy.
One aspherical element helps to control distortion and spherical aberrations for a high degree of sharpness and accurate rendering.
Integrated stepping motor realizes smooth and quiet autofocus, which is further complemented by an internal focusing design to promote greater responsiveness.
Manual aperture ring includes an 'A' position for camera-based aperture selection.
Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
Brass bayonet affords improved mounting accuracy and rigidity and rubber sealing is incorporated in the mount's design to render it dust- and splash-resistant.




Setting new standards of optical performance
The lens is built using the very latest optical technology, and includes five SLD glass elements. This helps to reduce
axial chromatic aberration that cannot be corrected in-camera, allowing the lens to achieve high resolution and clear
image quality with no color bleeding. A high-precision glass molded aspherical lens provides both high resolution and
beautiful bokeh. Photographers can enjoy shooting with soft, large bokeh without coloration and this is something that
only a full-frame lens is able to deliver.

The lens also utilizes the camera’s optical correction functionality, which is an advantage of mirrorless systems,
SIGMA’s optical designers were therefore able to concentrate on correcting aberrations that can only be corrected by the
optical design, thereby improving rendering performance and reducing the size and weight of the lens.

With a minimum focusing distance of 50cm and a maximum magnification ratio of 1:5, close-up macro-style photography is
possible. The lens highlights the subject, allowing photographers to focus in on fine details or create more abstract
compositions.

The AF drive system incorporates a quiet, high-speed stepping motor, making it suitable for still images as well as
video recording.


Exceptional I series All-Metal build quality with a compact form-factor
The precision-cut aluminum parts not only give the barrel a sleek, stylish finish, but provide superb durability that
improves the quality of the entire lens.
Metal materials are also used in internal structures that slide with the
operation ring for added robustness. These high-precision components crafted with SIGMA’s cutting-edge metalworking
technology are also used in SIGMA’s CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic
feel that make the lens a pleasure to use.



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